For electronic enclosures that require the tightest access control— like those found in data centers—EMKA Inc. (www.emkausa.com) has added a cell-phone alarm feature to its electronic locking and monitoring (ELM) system. It can now send an alert by cell phone whenever the enclosure is opened or closed. It can also alert users to other conditions, such as internal temperature.
California’s plan to mandate an electric vehicle market isn’t the first such undertaking and certainly won’t be the last. But as the Golden State ratchets up for its next big step toward zero-emission vehicle status in 2018, it might be wise to consider a bit of history.
A customer who was thermal printing strip steel had a problem: When the strip's speed increased, the thermo printer would catch fire. When he set a flame to a piece of the strip, he couldn't get it to burn. What was the problem?